Home / 3,534.51-4,876.79-2,275.98

Finding the Fourth Proportional to 3,534.51, 4,876.79 and 2,275.98

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Solution

The fourth proportional to 3,534.51, 4,876.79 and 2,275.98 is: 3,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.51 : 4,876.79 = 2,275.98 : x
  2. Step 2: Convert to fraction form
    3,534.51/4,876.79 = 2,275.98/x
  3. Step 3: Cross multiply
    3,534.51x = 4,876.79 × 2,275.98
  4. Step 4: Simplify right side
    3,534.51x = 11,099,446.84
  5. Step 5: Solve for x
    x = 11,099,446.84/3,534.51
  6. Step 6: Final answer
    x = 3,140.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.